Littelfuse Inc. TR250-145
- Part No.:
- TR250-145
- Manufacturer:
- Littelfuse Inc.
- Category:
- PTC Resettable Fuses
- Package:
- Radial, Disc
- Description:
- PTC RESET FUSE 250V 145MA RADIAL
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
TR250-145 Information
- Specifications
- Product Details
- Comparison
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Littelfuse Inc.
- Package/Case:
- Radial, Disc
- Series:
- PolySwitch®
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Polymeric
- Voltage - Max:
- 250V (60V Int)
- Current - Hold (Ih) (Max):
- 145 mA
- Current - Trip (It):
- -
- Current - Max:
- 3 A
- Time to Trip:
- 2.5 s
- Resistance - Initial (Ri) (Min):
- 3 Ohms
- Resistance - Post Trip (R1) (Max):
- 14 Ohms
- Resistance - 25°C (Typ):
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Ratings:
- -
- Mounting Type:
- Through Hole
- Size / Dimension:
- 0.256" L x 0.181" W (6.50mm x 4.60mm)
- Height - Seated (Max):
- 0.433" (11.00mm)
- Thickness (Max):
- -
- Lead Spacing:
- 0.197" (5.00mm)
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| Part Number | TR250-120 | TR250-180U | TR250-145U | TR250-120U | TR250-145 |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Package/Case | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc |
| Series | PolySwitch® | PolySwitch® | PolySwitch® | PolySwitch® | PolySwitch® |
| Packaging | Bulk | Bulk | Bulk | Bulk | Bulk |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Polymeric | - | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 250V (60V Int) | - | 250V (60V Int) | 250V (60V Int) | 250V (60V Int) |
| Current - Hold (Ih) (Max) | 120 mA | 180 mA | 145 mA | 120 mA | 145 mA |
| Current - Trip (It) | - | - | - | - | - |
| Current - Max | 3 A | - | 3 A | 3 A | 3 A |
| Time to Trip | 1.5 s | - | 2 s | 1 s | 2.5 s |
| Resistance - Initial (Ri) (Min) | 4 Ohms | - | 3.5 Ohms | 6 Ohms | 3 Ohms |
| Resistance - Post Trip (R1) (Max) | 16 Ohms | - | 12 Ohms | 16 Ohms | 14 Ohms |
| Resistance - 25°C (Typ) | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | - | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Ratings | - | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Size / Dimension | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.409" L x 0.142" W (10.40mm x 3.60mm) | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.256" L x 0.181" W (6.50mm x 4.60mm) |
| Height - Seated (Max) | 0.433" (11.00mm) | 0.496" (12.60mm) | 0.394" (10.00mm) | 0.433" (11.00mm) | 0.433" (11.00mm) |
| Thickness (Max) | - | - | - | - | - |
| Lead Spacing | 0.197" (5.00mm) | 0.197" (5.00mm) | 0.197" (5.00mm) | 0.197" (5.00mm) | 0.197" (5.00mm) |
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